As discussed in Chapter 1, the mechanism for transmission of information concerning a specific form of sensation can be referred to as a sensory channel. The sensory channel includes the receptors, any spinal cord processing circuits, and the sensory pathways transmitting the information to the thalamus and cerebral cortex, as well as the parts of the brain that then process the data to produce perception. This chapter will consider what is known or can be deduced about the initial parts of the sensory channels for several of the kinds of somatic sensation. Emphasis will be placed on information derived from human subjects and from primates.
KeywordsDorsal Horn Position Sense Dorsal Column Sensory Channel Glabrous Skin
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